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Parametric Duration Analysis of Retirement Decisions in Taiwan
Wen-Shai Hung 서울행정학회 2004 서울행정학회 학술대회 발표논문집 Vol.- No.-
This paper analyses retirement decisions for the middle aged and elderly in Taiwan. The data used is from the Survey of Health and Living Status (SHLS). First, we find the estimated coefficients of age, gender, Mainlander, poorer health status, urban, large families, earnings and NHI etc. present a strong significant and negative value for retirement decisions. That is, these situations have a higher hazard rate and workers are likely to retire earlier than otherwise. Secondly, we also find the estimated coefficients of marital status, education, savings and eligible pensions present a significant and positive value for retirement behaviour. That is, these situations have a lower hazard rate and workers are likely to retire later than otherwise. Furthermore, in the Weibull model α = 1.584, which indicates hazard rates have positive duration dependence. That is, as duration in work gets longer, hazard rates may increase and workers would be more likely to retire earlier than otherwise.
Prognostic Factors in Adult Patients with Solid Cancers and Bone Marrow Metastases
Hung, Yu-Shin,Chou, Wen-Chi,Chen, Tai-Di,Chen, Tse-Ching,Wang, Po-Nan,Chang, Hung,Hsu, Hung-Chih,Shen, Wen-Chi,Cheng, Wei-Hong,Chen, Jen-Shi Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.1
Background: Solid cancers with bone marrow metastases are rare but lethal. This study aimed to identify clinical factors predictive of survival in adult patients with solid cancers and bone marrow metastases. Methods: A total of 83 patients were enrolled consecutively between January 1, 2000 and December 31, 2012. Bone marrow metastases were confirmed by biopsies. Patient clinical features and laboratory data were analyzed for associations. Results: The median age of the patients was 54 years (range, 23-88 years), and 58% were male. The 3 most common primary tumor locations were the stomach (32 patients, 39%), prostate (16 patients, 19%), and lungs (12 patients, 15%). The median overall survival was 49 days (range, 3-1423 days). Patients with Eastern Cooperative Oncology Group performance status 1, cancers of prostate origin, platelet counts over 50,000/ml, and undergoing antitumor therapies had a significantly better prognosis in the multivariate analysis. The median survival times were 173 and 33 days for patients with 2-3 more favorable parameters (n=24) and those with 0-1 (n=69), respectively (hazard ratio 0.30; 95% CI 0.17-0.52, p<0.001). Conclusions: Solid cancers with bone marrow metastases are dismal and incurable diseases. Understanding prognostic factors to these diseases helps medical personnel to provide appropriate treatments and better inform patients about outcomes. Antitumor therapies may improve outcomes in selected patient cohorts.
MR Imaging of Pregnancy Luteoma: a Case Report and Correlation with the Clinical Features
Hung-Wen Kao,Ching-Jiunn Wu,Kuo-Teng Chung,Sheng-Ru Wang,Cheng-Yu Chen 대한영상의학회 2005 Korean Journal of Radiology Vol.6 No.1
We report here on a 26-year-old pregnant female who developed hirsutism and virilization during her third trimester along with a significantly elevated serum testosterone level. Abdominal US and MR imaging studies were performed, and they showed unique imaging features that may suggest the diagnosis of pregnancy luteoma in the clinical context. After the delivery, the serum testosterone level continued to decrease, and it returned to normal three weeks postpartum. The follow-up imaging findings were closely correlated with the clinical presentation.
Wen Bin Hung,Juyn Ye Chen,Kien Wen Sung,Teng Ming Chen 한양대학교 세라믹연구소 2014 Journal of Ceramic Processing Research Vol.15 No.3
The colloidal submicron needle-like Ba2SiO4 : Eu2+ phosphor coated on microtextured silicon surface has been used as a luminescent down-shifting (LDS) material for enhancing the power conversion efficiency of solar cells. Under a simulated onesun illumination, upon phosphor coating the solar cells showed an enhancement of the short-circuit current density (Jsc) increased from 34.00 to 34.48 mA/cm2 , meanwhile the power conversion efficiency (PCE) was enhanced from 15.13% to 15.36%. The related underlying mechanism for these enhancements can be attributed to photon down-shifting and light scattering effect through the investigation of PLE spectrum, reflectance, and external quantum efficiency. Our results indicate that the colloidal submicron needle-like Ba2SiO4 : Eu2+ phosphor not only act as LDS centers in the UV region but also serve as an antireflection coating for enhancing the light absorption in the visible regime.
Research on Value Creativity of Taiwan`s Small and Medium-sized Enterprises
( Shiaw Wen Tien ),( Yi Chan Chung ),( Chih Hung Tsai ),( Chia Hsiang Hsieh ),( Hung Hsi Chen ) 한국품질경영학회 2007 The Asian Journal on Quality Vol.8 No.1
This research probes into the execution of small and medium-sized enterprises` value creativities by a difference analysis with different classifications, different capital, different turnover, different employees, and different established years. This study develop a questionnaire about value creativity with five dimensions and thirty-five items according to “Valuation” by McKinsey and Company, Inc. and Copeland et al., such as: “Aspiration and target,” “Portfolio management,” “Organization design,” “Process management,” and “Business and individual performance management.” The results are as follows: (1) Most small and medium-sized enterprises (SMEs) have executed value creativities; (2) There is a difference in the execution of value creativities between the livelihood industry and the chemical industry; the execution of value creativities by livelihood industry is better than the chemical industry; (3) For value creativities of the execution of different capital and turnover for SMEs, bigger entities are better than smaller ones; (4) For the value creativities of the execution of different numbers of staff in SMEs, those with more staff are better than those with fewer staff; (5) For the value creativities of the execution of different established years for SMEs, those established longer are better than those established shorter.
Wu Wen-Pei,Lai Hung-Wen,Liao Chiung-Ying,Lin Joseph,Huang Hsin-I,Chen Shou-Tung,Chou Chen-Te,Chen Dar-Ren 대한영상의학회 2023 Korean Journal of Radiology Vol.24 No.7
Objective: Prospective studies on postoperative residual breast tissue (RBT) after robotic-assisted nipple-sparing mastectomy (R-NSM) for breast cancer are limited. RBT presents an unknown risk of local recurrence or the development of new cancer after curative or risk-reducing mastectomies. This study investigated the technical feasibility of using magnetic resonance imaging (MRI) to evaluate RBT after R-NSM in women with breast cancer. Materials and Methods: In this prospective pilot study, 105 patients, who underwent R-NSM for breast cancer at Changhua Christian Hospital between March 2017 and May 2022, were subjected to postoperative breast MRI to evaluate the presence and location of RBT. The postoperative MRI scans of 43 patients (age, 47.8 ± 8.5 years), with existing preoperative MRI scans, were evaluated for the presence and location of RBT. In total, 54 R-NSM procedures were performed. In parallel, we reviewed the literature on RBT after nipple-sparing mastectomy, considering its prevalence. Results: RBT was detected in 7 (13.0%) of the 54 mastectomies (6 of the 48 therapeutic mastectomies and 1 of the 6 prophylactic mastectomies). The most common location for RBT was behind the nipple-areolar complex (5 of 7 [71.4%]). Another RBT was found in the upper inner quadrant (2 of 7 [28.6%]). Among the six patients who underwent RBT after therapeutic mastectomies, one patient developed a local recurrence of the skin flap. The other five patients with RBT after therapeutic mastectomies remained disease-free. Conclusion: R-NSM, a surgical innovation, does not seem to increase the prevalence of RBT, and breast MRI showed feasibility as a noninvasive imaging tool for evaluating the presence and location of RBT.